combine the two ideas into a single sentence. when emma arrived, nelita was sorting through a garden tote in…

combine the two ideas into a single sentence. when emma arrived, nelita was sorting through a garden tote in the backyard. grandpa was pulling up weeds. when emma arrived, nelita was sorting through a garden tote in the backyard, grandpa was pulling up weeds. and or because if
Answer
Brief Explanations:
The two actions of Nelita sorting and Grandpa pulling weeds are happening simultaneously when Emma arrives. The conjunction "and" is appropriate to combine the two - part descriptions into one sentence.
Answer:
When Emma arrived, Nelita was sorting through a garden tote in the backyard and Grandpa was pulling up weeds.